This was Kathy Kersh's fourth and final appearance as caterer Marion Billington.
This episode first aired two weeks after Addison Richards passed away on March 22nd. He had also filmed the next episode, "The Great Crawdad Hunt," prior to his death.
The references to Beverly Hills' 50th anniversary were correct; it was incorporated in 1914.
Mr. Drysdale estimates Jed Clampett's net worth at $40 million.